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25 hospitalized after gas leak at Mississauga middle school

Twenty-four middle school students and a teacher were sent to hospital after a science lab gas valve was left open at a Mississauga school Monday.

At about 10:45 a.m., a teacher at Allan A. Martin Senior Public School in Mississauga noticed a gas smell, said Peel District School Board spokesperson Carla Pereira. The school was evacuated shortly afterward, she said.

Police, fire and EMS were called and determined that the building was safe.

“We did a sweep of the building with our equipment and had zero readings for any dangerous gasses,” said Mississauga Fire Platoon Chief Mike Corcoran.

They determined the gas came from Bunsen burner in a science lab, which had been left open for 10-15 minutes, enough to fill the room, Corcoran said.

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The windows were opened to clear the room, according to a letter the Peel Board sent home to parents.

While outside, some teachers and students started complaining of nausea and headaches.

EMS brought the affected staff and students to the library where they were treated before 24 students and one teacher were transported to Trillium hospital as a precaution, Corcoran said.

They were all released by 2:30 p.m., he said.

The school day continued as scheduled with all remaining staff and students.

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